Results 21 to 30 of about 9,024 (216)

Morphology and anatomy of the angiosperm fruit Baccatocarpon, incertae sedis, from the Maastrichtian Deccan Intertrappean Beds of India

open access: yesActa Palaeobotanica, 2019
Distinctive permineralized fruits of Baccatocarpon mohgaoense (Paradkar & Dixit) comb. nov. have been collected from several sites in the late Maastrichtian of the Deccan Intertrappean beds of Central India.
STEVEN R. MANCHESTER   +4 more
doaj   +1 more source

The final, Late Campanian – Early Maastrichtian stage of Micraster and Isomicraster (Echinoidea, Spatangoida) development [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Науки о Земле
The final, late Campanian – early Maastrichtian stage of development of echinoids Micraster and Isomicraster, was studied based on extensive material from the Upper Cretaceous sediments of the North Caucasus, Mangyshlak, Kopetdag, Volga and ...
Kalyakin, Evgeniy Aleksandrovich
doaj   +1 more source

Danian teleosteans of the North Atlantic Region – compared with the Maastrichtian [PDF]

open access: yesResearch & Knowledge, 2017
Danian marine faunas with teleostean skeletal remains are extremely rare, retrieved so far only from the type Danian region in the North Sea Basin, and recently from Mexico.
Niels Bonde, Maria E. C. Leal
doaj   +1 more source

ON THE VARIABILITY OF TETHYIAN ROTALIID BENTHIC FORAMINIFERAL SPECIES OF THE GENUS BOLIVINOIDESELLA ANAN [PDF]

open access: yesActa Scientifica Malaysia
Six Maastrichtian-Paleogene small Rotaliid benthic foraminiferal species of the genus Bolivinoidesella Anan are distributed in many localities in the Tethyan Atlantic and Pacific Oceans.
Haidar Salim Anan
doaj   +1 more source

The Cretaceous/Paleogene (K/Pg) boundary in the Mezdra and Lyutidol syncline, Vratza District (West-Fore Balkan, Bulgaria) [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2006
This paper discusses the unjustified assignment (based on calcareous nannofossils) of a large portion of the Maastrichtian strata in the Mezdra and Lyutidol synclines (West Fore Balkan, Bulgaria) to the Paleogene.
Jolkičev Nikola A.
doaj   +1 more source

Strontium isotope stratigraphy in the Late Cretaceous: Numerical calibration of the Sr isotope curve and intercontinental correlation for the campanian [PDF]

open access: yes, 1993
The white Chalk exposed in quarries at Lagerdorf and Kronsmoor, northwestern Germany, provides a standard section for the European Upper Cretaceous.
Chen, M   +9 more
core   +1 more source

On a record of cow shark’ tooth (Neoselachii, Hexanchidae) from the Upper Cretaceous of Saratov Volga region [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Науки о Земле
The discovery of a tooth of the cow shark Hexanchus microdon (Ag., 1835) from carbonate deposits of the Karsun Formation in the ‘Krasny Oktyabr’ quarry (Volsk, Saratov Volga River Right Bank) is described. Based on the associated foraminifera
Popov, Evgeniy Valerievich   +2 more
doaj   +1 more source

Coral fauna across the Cretaceous–Paleogene boundary at Zagros and Sistan Suture zones and Yazd Block of Iran

open access: yesSwiss Journal of Palaeontology, 2023
From the upper Maastrichtian (Tarbur Fm.) and Paleocene of Iran, 20 species of scleractinian corals belonging to 17 genera and 14 families, and one species of the octocoral Heliopora are newly recorded.
Rosemarie C. Baron-Szabo   +2 more
doaj   +1 more source

Late Maastrichtian pterosaurs from North Africa and mass extinction of Pterosauria at the Cretaceous-Paleogene boundary. [PDF]

open access: yesPLoS Biology, 2018
Pterosaurs were the first vertebrates to evolve powered flight and the largest animals to ever take wing. The pterosaurs persisted for over 150 million years before disappearing at the end of the Cretaceous, but the patterns of and processes driving ...
Nicholas R Longrich   +2 more
doaj   +1 more source

Using microplankton proxies to evaluate marine palaeonvironmental changes during late Maastrichtian: Evidence from the Møre Basin (Norwegian continental shelf)

open access: yes, 2022
This work presents high-resolution palynological and micropalaeontological analyses of a cored succession across the upper Maastrichtian from a well in the Møre Basin (Norwegian continental shelf).
Casas Gallego, Manuel   +3 more
core   +1 more source

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